git.sur5r.net Git - openldap/blob - servers/slapd/overlays/dynlist.c

   1 /* dynlist.c - dynamic list overlay */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 2003-2005 The OpenLDAP Foundation.
   5  * Portions Copyright 2004-2005 Pierangelo Masarati.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Pierangelo Masarati
  18  * for SysNet s.n.c., for inclusion in OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22
  23 #ifdef SLAPD_OVER_DYNLIST
  24
  25 #include <stdio.h>
  26
  27 #include <ac/string.h>
  28
  29 #include "slap.h"
  30 #include "lutil.h"
  31
  32 /* FIXME: the code differs if SLAP_OPATTRS is defined or not;
  33  * SLAP_OPATTRS is not defined in 2.2 yet, while this overlay
  34  * expects HEAD code at least later than August 6, 2004. */
  35
  36 typedef struct dynlist_info {
  37         ObjectClass             *dli_oc;
  38         AttributeDescription    *dli_ad;
  39         AttributeDescription    *dli_member_ad;
  40         struct berval           dli_default_filter;
  41 } dynlist_info;
  42
  43 static int
  44 dynlist_is_dynlist( Operation *op, SlapReply *rs )
  45 {
  46         slap_overinst   *on = (slap_overinst *)op->o_bd->bd_info;
  47         dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
  48
  49         Attribute       *a;
  50
  51         a = attrs_find( rs->sr_entry->e_attrs, slap_schema.si_ad_objectClass );
  52         if ( a == NULL ) {
  53                 /* FIXME: objectClass must be present; for non-storage
  54                  * backends, like back-ldap, it needs to be added
  55                  * to the requested attributes */
  56                 return 0;
  57         }
  58
  59         if ( value_find_ex( slap_schema.si_ad_objectClass,
  60                         SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
  61                         SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
  62                         a->a_nvals, &dli->dli_oc->soc_cname,
  63                         op->o_tmpmemctx ) == 0 )
  64         {
  65                 return 1;
  66         }
  67
  68         return 0;
  69 }
  70
  71 static int
  72 dynlist_make_filter( Operation *op, struct berval *oldf, struct berval *newf )
  73 {
  74         slap_overinst   *on = (slap_overinst *)op->o_bd->bd_info;
  75         dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
  76
  77         char            *ptr;
  78
  79         assert( oldf );
  80         assert( newf );
  81         assert( !BER_BVISNULL( oldf ) );
  82         assert( !BER_BVISEMPTY( oldf ) );
  83
  84         newf->bv_len = STRLENOF( "(&(!(objectClass=" "))" ")" )
  85                 + dli->dli_oc->soc_cname.bv_len + oldf->bv_len;
  86         newf->bv_val = op->o_tmpalloc( newf->bv_len + 1, op->o_tmpmemctx );
  87         if ( newf->bv_val == NULL ) {
  88                 return -1;
  89         }
  90         ptr = lutil_strcopy( newf->bv_val, "(&(!(objectClass=" );
  91         ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
  92         ptr = lutil_strcopy( ptr, "))" );
  93         ptr = lutil_strcopy( ptr, oldf->bv_val );
  94         ptr = lutil_strcopy( ptr, ")" );
  95         newf->bv_len = ptr - newf->bv_val;
  96
  97         return 0;
  98 }
  99
 100 typedef struct dynlist_sc_t {
 101         dynlist_info    *dlc_dli;
 102         Entry           *dlc_e;
 103 } dynlist_sc_t;
 104
 105 static int
 106 dynlist_sc_update( Operation *op, SlapReply *rs )
 107 {
 108         Entry                   *e;
 109         Attribute               *a;
 110         int                     opattrs,
 111                                 userattrs;
 112         AccessControlState      acl_state = ACL_STATE_INIT;
 113
 114         dynlist_sc_t            *dlc;
 115
 116         if ( rs->sr_type != REP_SEARCH ) {
 117                 return 0;
 118         }
 119
 120         dlc = (dynlist_sc_t *)op->o_callback->sc_private;
 121         e = dlc->dlc_e;
 122
 123         assert( e != NULL );
 124         assert( rs->sr_entry != NULL );
 125
 126         /* test access to entry */
 127         if ( !access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
 128                                 NULL, ACL_READ, NULL ) )
 129         {
 130                 goto done;
 131         }
 132
 133         if ( dlc->dlc_dli->dli_member_ad ) {
 134
 135                 /* if access allowed, try to add values, emulating permissive
 136                  * control to silently ignore duplicates */
 137                 if ( access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
 138                                         NULL, ACL_READ, NULL ) )
 139                 {
 140                         Modification    mod;
 141                         const char      *text = NULL;
 142                         char            textbuf[1024];
 143                         struct berval   vals[ 2 ], nvals[ 2 ];
 144
 145                         vals[ 0 ] = rs->sr_entry->e_name;
 146                         BER_BVZERO( &vals[ 1 ] );
 147                         nvals[ 0 ] = rs->sr_entry->e_nname;
 148                         BER_BVZERO( &nvals[ 1 ] );
 149
 150                         mod.sm_op = LDAP_MOD_ADD;
 151                         mod.sm_desc = dlc->dlc_dli->dli_member_ad;
 152                         mod.sm_type = dlc->dlc_dli->dli_member_ad->ad_cname;
 153                         mod.sm_values = vals;
 154                         mod.sm_nvalues = nvals;
 155
 156                         (void)modify_add_values( e, &mod, /* permissive */ 1,
 157                                         &text, textbuf, sizeof( textbuf ) );
 158                 }
 159
 160                 goto done;
 161         }
 162
 163 #ifndef SLAP_OPATTRS
 164         opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
 165         userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
 166 #else /* SLAP_OPATTRS */
 167         opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
 168         userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
 169 #endif /* SLAP_OPATTRS */
 170
 171         for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
 172                 BerVarray       vals, nvals = NULL;
 173                 int             i, j;
 174
 175                 /* if attribute is not requested, skip it */
 176                 if ( rs->sr_attrs == NULL ) {
 177                         if ( is_at_operational( a->a_desc->ad_type ) ) {
 178                                 continue;
 179                         }
 180
 181                 } else {
 182                         if ( is_at_operational( a->a_desc->ad_type ) ) {
 183                                 if ( !opattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
 184                                 {
 185                                         continue;
 186                                 }
 187
 188                         } else {
 189                                 if ( !userattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
 190                                 {
 191                                         continue;
 192                                 }
 193                         }
 194                 }
 195
 196                 /* test access to attribute */
 197                 if ( op->ors_attrsonly ) {
 198                         if ( !access_allowed( op, rs->sr_entry, a->a_desc, NULL,
 199                                                 ACL_READ, &acl_state ) )
 200                         {
 201                                 continue;
 202                         }
 203                 }
 204
 205                 /* single-value check: keep first only */
 206                 if ( is_at_single_value( a->a_desc->ad_type ) ) {
 207                         if ( attr_find( e->e_attrs, a->a_desc ) != NULL ) {
 208                                 continue;
 209                         }
 210                 }
 211
 212                 /* test access to attribute */
 213                 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
 214                         /* jst count */ ;
 215
 216                 vals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
 217                 if ( a->a_nvals != a->a_vals ) {
 218                         nvals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
 219                 }
 220
 221                 for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
 222                         if ( access_allowed( op, rs->sr_entry, a->a_desc,
 223                                                 &a->a_nvals[i], ACL_READ, &acl_state ) )
 224                         {
 225                                 vals[j] = a->a_vals[i];
 226                                 if ( nvals ) {
 227                                         nvals[j] = a->a_nvals[i];
 228                                 }
 229                                 j++;
 230                         }
 231                 }
 232
 233                 /* if access allowed, try to add values, emulating permissive
 234                  * control to silently ignore duplicates */
 235                 if ( j != 0 ) {
 236                         Modification    mod;
 237                         const char      *text = NULL;
 238                         char            textbuf[1024];
 239
 240                         BER_BVZERO( &vals[j] );
 241                         if ( nvals ) {
 242                                 BER_BVZERO( &nvals[j] );
 243                         }
 244
 245                         mod.sm_op = LDAP_MOD_ADD;
 246                         mod.sm_desc = a->a_desc;
 247                         mod.sm_type = a->a_desc->ad_cname;
 248                         mod.sm_values = vals;
 249                         mod.sm_nvalues = nvals;
 250
 251                         (void)modify_add_values( e, &mod, /* permissive */ 1,
 252                                         &text, textbuf, sizeof( textbuf ) );
 253                 }
 254
 255                 op->o_tmpfree( vals, op->o_tmpmemctx );
 256                 if ( nvals ) {
 257                         op->o_tmpfree( nvals, op->o_tmpmemctx );
 258                 }
 259         }
 260
 261 done:;
 262         if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
 263                 entry_free( rs->sr_entry );
 264         }
 265
 266         return 0;
 267 }
 268
 269 static int
 270 dynlist_send_entry( Operation *op, SlapReply *rs )
 271 {
 272         slap_overinst   *on = (slap_overinst *)op->o_bd->bd_info;
 273         dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
 274
 275         Attribute       *a;
 276         slap_callback   cb;
 277         Operation       o = *op;
 278         SlapReply       r = *rs;
 279         struct berval   *url;
 280         Entry           *e;
 281         int             e_flags;
 282         int             opattrs,
 283                         userattrs;
 284         dynlist_sc_t    dlc = { 0 };
 285
 286         a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
 287         if ( a == NULL ) {
 288                 /* FIXME: error? */
 289                 return SLAP_CB_CONTINUE;
 290         }
 291
 292         e = entry_dup( rs->sr_entry );
 293         e_flags = rs->sr_flags | ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
 294
 295         dlc.dlc_e = e;
 296         dlc.dlc_dli = dli;
 297         cb.sc_private = &dlc;
 298         cb.sc_response = dynlist_sc_update;
 299         cb.sc_cleanup = NULL;
 300         cb.sc_next = NULL;
 301
 302         o.o_callback = &cb;
 303         o.ors_deref = LDAP_DEREF_NEVER;
 304         o.ors_limit = NULL;
 305         o.ors_tlimit = SLAP_NO_LIMIT;
 306         o.ors_slimit = SLAP_NO_LIMIT;
 307
 308 #ifndef SLAP_OPATTRS
 309         opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
 310         userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
 311 #else /* SLAP_OPATTRS */
 312         opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
 313         userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
 314 #endif /* SLAP_OPATTRS */
 315
 316         for ( url = a->a_nvals; !BER_BVISNULL( url ); url++ ) {
 317                 LDAPURLDesc     *lud = NULL;
 318                 int             i, j;
 319                 struct berval   dn;
 320                 int             rc;
 321
 322                 BER_BVZERO( &o.o_req_dn );
 323                 BER_BVZERO( &o.o_req_ndn );
 324                 o.ors_filter = NULL;
 325                 o.ors_attrs = NULL;
 326                 BER_BVZERO( &o.ors_filterstr );
 327
 328                 if ( ldap_url_parse( url->bv_val, &lud ) != LDAP_URL_SUCCESS ) {
 329                         /* FIXME: error? */
 330                         continue;
 331                 }
 332
 333                 if ( lud->lud_host ) {
 334                         /* FIXME: host not allowed; reject as illegal? */
 335                         Debug( LDAP_DEBUG_ANY, "dynlist_send_entry(\"%s\"): "
 336                                 "illegal URI \"%s\"\n",
 337                                 e->e_name.bv_val, url->bv_val, 0 );
 338                         goto cleanup;
 339                 }
 340
 341                 if ( lud->lud_dn == NULL ) {
 342                         /* note that an empty base is not honored in terms
 343                          * of defaultSearchBase, because select_backend()
 344                          * is not aware of the defaultSearchBase option;
 345                          * this can be useful in case of a database serving
 346                          * the empty suffix */
 347                         BER_BVSTR( &dn, "" );
 348                 } else {
 349                         ber_str2bv( lud->lud_dn, 0, 0, &dn );
 350                 }
 351                 rc = dnPrettyNormal( NULL, &dn, &o.o_req_dn, &o.o_req_ndn, op->o_tmpmemctx );
 352                 if ( rc != LDAP_SUCCESS ) {
 353                         /* FIXME: error? */
 354                         goto cleanup;
 355                 }
 356                 o.ors_scope = lud->lud_scope;
 357
 358                 if ( dli->dli_member_ad != NULL ) {
 359                         o.ors_attrs = slap_anlist_no_attrs;
 360
 361                 } else if ( lud->lud_attrs == NULL ) {
 362                         o.ors_attrs = rs->sr_attrs;
 363
 364                 } else {
 365                         for ( i = 0; lud->lud_attrs[i]; i++)
 366                                 /* just count */ ;
 367
 368                         o.ors_attrs = op->o_tmpcalloc( i + 1, sizeof( AttributeName ), op->o_tmpmemctx );
 369                         for ( i = 0, j = 0; lud->lud_attrs[i]; i++) {
 370                                 const char      *text = NULL;
 371
 372                                 ber_str2bv( lud->lud_attrs[i], 0, 0, &o.ors_attrs[j].an_name );
 373                                 o.ors_attrs[j].an_desc = NULL;
 374                                 (void)slap_bv2ad( &o.ors_attrs[j].an_name, &o.ors_attrs[j].an_desc, &text );
 375                                 /* FIXME: ignore errors... */
 376
 377                                 if ( rs->sr_attrs == NULL ) {
 378                                         if ( o.ors_attrs[j].an_desc != NULL &&
 379                                                         is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
 380                                         {
 381                                                 continue;
 382                                         }
 383
 384                                 } else {
 385                                         if ( o.ors_attrs[j].an_desc != NULL &&
 386                                                         is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
 387                                         {
 388                                                 if ( !opattrs && !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
 389                                                 {
 390                                                         continue;
 391                                                 }
 392
 393                                         } else {
 394                                                 if ( !userattrs &&
 395                                                                 o.ors_attrs[j].an_desc != NULL &&
 396                                                                 !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
 397                                                 {
 398                                                         continue;
 399                                                 }
 400                                         }
 401                                 }
 402
 403                                 j++;
 404                         }
 405
 406                         if ( j == 0 ) {
 407                                 goto cleanup;
 408                         }
 409
 410                         BER_BVZERO( &o.ors_attrs[j].an_name );
 411                 }
 412
 413                 if ( lud->lud_filter == NULL ) {
 414                         ber_dupbv_x( &o.ors_filterstr,
 415                                         &dli->dli_default_filter, op->o_tmpmemctx );
 416                 } else {
 417                         struct berval   flt;
 418                         ber_str2bv( lud->lud_filter, 0, 0, &flt );
 419                         if ( dynlist_make_filter( op, &flt, &o.ors_filterstr ) ) {
 420                                 /* error */
 421                                 goto cleanup;
 422                         }
 423                 }
 424                 o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
 425                 if ( o.ors_filter == NULL ) {
 426                         goto cleanup;
 427                 }
 428
 429                 o.o_bd = select_backend( &o.o_req_ndn, 0, 1 );
 430                 if ( o.o_bd && o.o_bd->be_search ) {
 431 #ifdef SLAP_OPATTRS
 432                         r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
 433 #endif /* SLAP_OPATTRS */
 434                         (void)o.o_bd->be_search( &o, &r );
 435                 }
 436
 437 cleanup:;
 438                 if ( o.ors_filter ) {
 439                         filter_free_x( &o, o.ors_filter );
 440                 }
 441                 if ( o.ors_attrs && o.ors_attrs != rs->sr_attrs
 442                                 && o.ors_attrs != slap_anlist_no_attrs )
 443                 {
 444                         op->o_tmpfree( o.ors_attrs, op->o_tmpmemctx );
 445                 }
 446                 if ( !BER_BVISNULL( &o.o_req_dn ) ) {
 447                         op->o_tmpfree( o.o_req_dn.bv_val, op->o_tmpmemctx );
 448                 }
 449                 if ( !BER_BVISNULL( &o.o_req_ndn ) ) {
 450                         op->o_tmpfree( o.o_req_ndn.bv_val, op->o_tmpmemctx );
 451                 }
 452                 if ( o.ors_filterstr.bv_val != lud->lud_filter ) {
 453                         op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
 454                         lud->lud_filter = NULL;
 455                 }
 456                 if ( lud ) {
 457                         ldap_free_urldesc( lud );
 458                 }
 459         }
 460
 461         rs->sr_entry = e;
 462         rs->sr_flags = e_flags;
 463
 464         return SLAP_CB_CONTINUE;
 465 }
 466
 467 static int
 468 dynlist_sc_save_entry( Operation *op, SlapReply *rs )
 469 {
 470         /* save the entry in the private field of the callback,
 471          * so it doesn't get freed (it's temporary!) */
 472         if ( rs->sr_entry != NULL ) {
 473                 dynlist_sc_t    *dlc = (dynlist_sc_t *)op->o_callback->sc_private;
 474                 dlc->dlc_e = rs->sr_entry;
 475                 rs->sr_entry = NULL;
 476         }
 477
 478         return 0;
 479 }
 480
 481 static int
 482 dynlist_compare( Operation *op, SlapReply *rs )
 483 {
 484         slap_overinst   *on = (slap_overinst *)op->o_bd->bd_info;
 485         dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
 486
 487         Attribute       *a;
 488         slap_callback   cb;
 489         Operation       o = *op;
 490         SlapReply       r = { REP_SEARCH };
 491         AttributeName   an[2];
 492         int             rc;
 493         dynlist_sc_t    dlc = { 0 };
 494
 495         dlc.dlc_dli = dli;
 496         cb.sc_private = &dlc;
 497         cb.sc_response = dynlist_sc_save_entry;
 498         cb.sc_cleanup = NULL;
 499         cb.sc_next = NULL;
 500         o.o_callback = &cb;
 501
 502         o.o_tag = LDAP_REQ_SEARCH;
 503         o.ors_limit = NULL;
 504         o.ors_tlimit = SLAP_NO_LIMIT;
 505         o.ors_slimit = SLAP_NO_LIMIT;
 506
 507         o.o_bd = select_backend( &o.o_req_ndn, 0, 1 );
 508         if ( !o.o_bd || !o.o_bd->be_search ) {
 509                 return SLAP_CB_CONTINUE;
 510         }
 511
 512         BER_BVSTR( &o.ors_filterstr, "(objectClass=*)" );
 513         o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
 514         if ( o.ors_filter == NULL ) {
 515                 /* FIXME: error? */
 516                 return SLAP_CB_CONTINUE;
 517         }
 518
 519         o.ors_scope = LDAP_SCOPE_BASE;
 520         o.ors_deref = LDAP_DEREF_NEVER;
 521         an[0].an_name = op->orc_ava->aa_desc->ad_cname;
 522         an[0].an_desc = op->orc_ava->aa_desc;
 523         BER_BVZERO( &an[1].an_name );
 524         o.ors_attrs = an;
 525         o.ors_attrsonly = 0;
 526
 527         rc = o.o_bd->be_search( &o, &r );
 528         filter_free_x( &o, o.ors_filter );
 529
 530         if ( rc != 0 ) {
 531                 return rc;
 532         }
 533
 534         if ( dlc.dlc_e != NULL ) {
 535                 r.sr_entry = dlc.dlc_e;
 536         }
 537
 538         if ( r.sr_err != LDAP_SUCCESS || r.sr_entry == NULL ) {
 539                 /* error? */
 540                 return SLAP_CB_CONTINUE;
 541         }
 542
 543         /* if we're here, we got a match... */
 544         rs->sr_err = LDAP_COMPARE_FALSE;
 545         for ( a = attrs_find( r.sr_entry->e_attrs, op->orc_ava->aa_desc );
 546                 a != NULL;
 547                 a = attrs_find( a->a_next, op->orc_ava->aa_desc ) )
 548         {
 549                 if ( value_find_ex( op->orc_ava->aa_desc,
 550                         SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
 551                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
 552                         a->a_nvals, &op->orc_ava->aa_value, op->o_tmpmemctx ) == 0 )
 553                 {
 554                         rs->sr_err = LDAP_COMPARE_TRUE;
 555                         break;
 556                 }
 557         }
 558
 559         if ( r.sr_flags & REP_ENTRY_MUSTBEFREED ) {
 560                 entry_free( r.sr_entry );
 561         }
 562
 563         return SLAP_CB_CONTINUE;
 564 }
 565
 566 static int
 567 dynlist_response( Operation *op, SlapReply *rs )
 568 {
 569         switch ( op->o_tag ) {
 570         case LDAP_REQ_SEARCH:
 571                 if ( rs->sr_type == REP_SEARCH && !get_manageDSAit( op ) )
 572                 {
 573                         if ( dynlist_is_dynlist( op, rs ) ) {
 574                                 return dynlist_send_entry( op, rs );
 575                         }
 576                 }
 577                 break;
 578
 579         case LDAP_REQ_COMPARE:
 580                 if ( rs->sr_err == LDAP_NO_SUCH_ATTRIBUTE ) {
 581                         return dynlist_compare( op, rs );
 582                 }
 583                 break;
 584
 585         default:
 586                 break;
 587         }
 588
 589         return SLAP_CB_CONTINUE;
 590 }
 591
 592 static int
 593 dynlist_db_config(
 594     BackendDB   *be,
 595     const char  *fname,
 596     int         lineno,
 597     int         argc,
 598     char        **argv
 599 )
 600 {
 601         slap_overinst   *on = (slap_overinst *)be->bd_info;
 602         dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
 603
 604         int             rc = 0;
 605
 606         if ( strcasecmp( argv[0], "dynlist-oc" ) == 0 ) {
 607                 if ( argc != 2 ) {
 608                         fprintf( stderr, "dynlist-oc <oc>\n" );
 609                         return 1;
 610                 }
 611                 dli->dli_oc = oc_find( argv[1] );
 612                 if ( dli->dli_oc == NULL ) {
 613                         fprintf( stderr, "dynlist-oc <oc>: "
 614                                         "unable to find ObjectClass "
 615                                         "\"%s\"\n", argv[1] );
 616                         return 1;
 617                 }
 618
 619         } else if ( strcasecmp( argv[0], "dynlist-ad" ) == 0 ) {
 620                 const char      *text;
 621
 622                 if ( argc != 2 ) {
 623                         fprintf( stderr, "dynlist-ad <ad>\n" );
 624                         return 1;
 625                 }
 626                 dli->dli_ad = NULL;
 627                 rc = slap_str2ad( argv[1], &dli->dli_ad, &text );
 628                 if ( rc != LDAP_SUCCESS ) {
 629                         fprintf( stderr, "dynlist-ad <ad>: "
 630                                         "unable to find AttributeDescription "
 631                                         "\"%s\"\n", argv[1] );
 632                         return 1;
 633                 }
 634
 635         } else if ( strcasecmp( argv[0], "dynlist-member-ad" ) == 0 ) {
 636                 const char      *text;
 637
 638                 if ( argc != 2 ) {
 639                         fprintf( stderr, "dynlist-member-ad <ad>\n" );
 640                         return 1;
 641                 }
 642                 dli->dli_member_ad = NULL;
 643                 rc = slap_str2ad( argv[1], &dli->dli_member_ad, &text );
 644                 if ( rc != LDAP_SUCCESS ) {
 645                         fprintf( stderr, "dynlist-member-ad <ad>: "
 646                                         "unable to find AttributeDescription "
 647                                         "\"%s\"\n", argv[1] );
 648                         return 1;
 649                 }
 650
 651         } else {
 652                 rc = SLAP_CONF_UNKNOWN;
 653         }
 654
 655         return rc;
 656 }
 657
 658 static int
 659 dynlist_db_init(
 660         BackendDB *be
 661 )
 662 {
 663         slap_overinst   *on = (slap_overinst *) be->bd_info;
 664         dynlist_info    *dli;
 665
 666         dli = (dynlist_info *)ch_malloc( sizeof( dynlist_info ) );
 667         memset( dli, 0, sizeof( dynlist_info ) );
 668
 669         on->on_bi.bi_private = (void *)dli;
 670
 671         return 0;
 672 }
 673
 674 static int
 675 dynlist_db_open(
 676         BackendDB *be
 677 )
 678 {
 679         slap_overinst   *on = (slap_overinst *) be->bd_info;
 680         dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
 681         int             rc = 0;
 682         ber_len_t       len;
 683         char            *ptr;
 684
 685         if ( dli->dli_oc == NULL ) {
 686                 fprintf( stderr, "dynlist_db_open(): missing \"dynlist-oc <ObjectClass>\"\n" );
 687                 rc = -1;
 688         }
 689
 690         if ( dli->dli_ad == NULL ) {
 691                 fprintf( stderr, "dynlist_db_open(): missing \"dynlist-ad <AttributeDescription>\"\n" );
 692                 rc = -1;
 693         }
 694
 695         len = STRLENOF( "(!(objectClass=" "))" )
 696                 + dli->dli_oc->soc_cname.bv_len;
 697         dli->dli_default_filter.bv_val = SLAP_MALLOC( len + 1 );
 698         if ( dli->dli_default_filter.bv_val == NULL ) {
 699                 fprintf( stderr, "dynlist_db_open(): malloc failed\n" );
 700                 return -1;
 701         }
 702         ptr = lutil_strcopy( dli->dli_default_filter.bv_val, "(!(objectClass=" );
 703         ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
 704         ptr = lutil_strcopy( ptr, "))" );
 705         dli->dli_default_filter.bv_len = ptr - dli->dli_default_filter.bv_val;
 706
 707         return rc;
 708 }
 709
 710 static int
 711 dynlist_db_destroy(
 712         BackendDB *be
 713 )
 714 {
 715         slap_overinst   *on = (slap_overinst *) be->bd_info;
 716         int             rc = 0;
 717
 718         if ( on->on_bi.bi_private ) {
 719                 dynlist_info    *dli = (dynlist_info *)on->on_bi.bi_private;
 720
 721                 dli->dli_oc = NULL;
 722                 dli->dli_ad = NULL;
 723
 724                 ch_free( dli );
 725         }
 726
 727         return rc;
 728 }
 729
 730 static slap_overinst dynlist = { { NULL } };
 731
 732 int
 733 dynlist_init(void)
 734 {
 735         dynlist.on_bi.bi_type = "dynlist";
 736         dynlist.on_bi.bi_db_init = dynlist_db_init;
 737         dynlist.on_bi.bi_db_config = dynlist_db_config;
 738         dynlist.on_bi.bi_db_open = dynlist_db_open;
 739         dynlist.on_bi.bi_db_destroy = dynlist_db_destroy;
 740
 741         dynlist.on_response = dynlist_response;
 742
 743         return overlay_register( &dynlist );
 744 }
 745
 746 #if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
 747 int
 748 init_module( int argc, char *argv[] )
 749 {
 750         return dynlist_init();
 751 }
 752 #endif
 753
 754 #endif /* SLAPD_OVER_DYNLIST */